No Family Share Plan for Iphone?

Hey I don't know if anyone else noticed but hopefully someone can help me. I went to order my Iphone online but it wanted me to change my plan. Not just my data because I know I have to add that but it wouldn't let me add it to my family share plan for talk and text! Does anyone know why? Shouldn't I be able to share my talk and text and put a data plan on for just 1 phone? Guess I'm going in-store with the rest of America!
Thanks.

When I pre-ordered mine last week I didn't have any problems. I have a family plan and just wanted to update my phone. There were no family plans listed, but I went through with it anyway. All it did was update the features to include the data and the visual voicemail for iPhone

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